Host Plants
confirmed
LikelyVine Maple
Acer circinatum
Gray Alder
Alnus incana
Red Alder
Alnus rubra
Green Alder
Alnus viridis
Pacific Dogwood
Cornus nuttallii
Quaking Aspen
Populus tremuloides
Black Cottonwood
Populus trichocarpa
Garry's Oak
Quercus garryana
Rocky Mountain Maple
Acer glabrum
Rocky Mountain Maple
Acer glabrum var. diffusum
Mountain Maple
Acer glabrum var. glabrum
Big Leaf Maple
Acer macrophyllum
Box Elder
Acer negundo
Mountain Alder
Alnus incana ssp. tenuifolia
White Alder
Alnus rhombifolia
Sitka Alder
Alnus viridis ssp. sinuata
Resin Birch
Betula glandulosa
Water Birch
Betula occidentalis
Brown Dogwood
Cornus glabrata
Red Osier Dogwood
Cornus sericea
Western Dogwood
Cornus sericea ssp. occidentalis
Creek Dogwood
Cornus sericea ssp. sericea
Miner's Dogwood
Cornus sessilis
Black Hawthorn
Crataegus douglasii
Oregon Crab Apple
Malus fusca
Narrow Leaved Cottonwood
Populus angustifolia
Fremont Cottonwood
Populus fremontii
Fremont Cottonwood
Populus fremontii ssp. fremontii
Coast Live Oak
Quercus agrifolia
Coast Live Oak
Quercus agrifolia var. agrifolia
Scrub Oak
Quercus berberidifolia
Canyon Live Oak
Quercus chrysolepis
Blue Oak
Quercus douglasii
Nuttall's Scrub Oak
Quercus dumosa
Leather Oak
Quercus durata
Leather Oak
Quercus durata var. durata
Garry's Oak
Quercus garryana var. breweri
Oregon White Oak
Quercus garryana var. garryana
Oregon White Oak
Quercus garryana var. semota
Tucker's Oak
Quercus john-tuckeri
Black Oak
Quercus kelloggii
Valley Oak
Quercus lobata
Macdonald Oak
Quercus macdonaldii
Pacific Oak
Quercus pacifica
Desert Oak
Quercus palmeri
Santa Cruz Island Oak
Quercus parvula
Santa Cruz Island Oak
Quercus parvula var. parvula
Shreve Oak
Quercus parvula var. shrevei
Tamalpais Oak
Quercus parvula var. tamalpaisensis
Deer Oak
Quercus sadleriana
Island Oak
Quercus tomentella
Huckleberry Oak
Quercus vacciniifolia
Interior Live Oak
Quercus wislizeni
Interior Live Oak
Quercus wislizeni var. frutescens
Interior Live Oak
Quercus wislizeni var. wislizeni
Booth's Willow
Salix boothii
Brewer's Willow
Salix breweri
Del Norte Willow
Salix delnortensis
Mountain Willow
Salix eastwoodiae
Sandbar Willow
Salix exigua